2. From frugality to luxury, from luxury to frugality.
3. Look at the countries and families of the sages before, and you can go from frugality to extravagance.
4. Be quiet to cultivate one's morality, and be frugal to cultivate one's morality.
5. Thrift and simplicity are human virtues.
6. It is not easy to think about a porridge and a meal; Half a silk and half a wisp, persistent thinking is difficult.